body
{
	background: yellow;
	font-family:arial;
}
nav
{
	padding-right: 20px;
	text-align:center;
}
#quiz-link
{
	display:none;
}
.menu-link
{
border: solid black;
	padding: 5px 10px;
	color: black;
	background: white;
	font-weight: bold;
	text-decoration: none;
	border-radius: 10px;
}
.column
{
	display: table-cell;
	width: 750px;
	text-align: center;
}
header
{
text-align:center;
}
#image-content
{
	display:table;
	align:center;
}
footer
{
	text-align:center;
}